-
Notifications
You must be signed in to change notification settings - Fork 1
/
util.py
39 lines (29 loc) · 1.12 KB
/
util.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
from recurrent.event_parser import RecurringEvent
from datetime import datetime
from dateutil import rrule
from decimal import Decimal
import re
def money_str_to_decimal(money_str):
return Decimal(re.sub(r'[\$,]', '', money_str))
def rrule_for_txn(txn):
return normalize_rfc_rule(txn.recurring_event.get_RFC_rrule(), txn.previous_occurrence)
def normalize_rfc_rule(rfc_rule, default_start_date=datetime.now()):
# convert to string, allowing passing of the rrule by string or dateutil.rrule.rrule object
rfc_rule = str(rfc_rule)
if "DTSTART" not in rfc_rule:
rfc_rule = f"DTSTART:{default_start_date.strftime('%Y%m%dT%H%M%S')}\n{rfc_rule}"
if "BYHOUR" not in rfc_rule:
rfc_rule = f"{rfc_rule};BYHOUR=0"
if "BYMINUTE" not in rfc_rule:
rfc_rule = f"{rfc_rule};BYMINUTE=0"
if "BYSECOND" not in rfc_rule:
rfc_rule = f"{rfc_rule};BYSECOND=0"
return rfc_rule
def str_to_valid_recurring_event(rule):
r = RecurringEvent()
r.parse(rule)
normalized_rule = normalize_rfc_rule(r.get_RFC_rrule())
r.parse(r.format(normalized_rule))
if not r.is_recurring:
raise ValueError(f"The given recurrence rule is invalid: {rule}")
return r